Stress-induced early flowering is mediated by miR169 in Arabidopsis thaliana
Plants interact with their environment and they often flower earlier under stress conditions, but how such stress-induced flowering is regulated remains poorly understood. Here evidence is presented that the miR169 family plays a key role in stress-induced flowering in plants. The microRNA (miRNA) m...
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| Veröffentlicht in: | Journal of experimental botany 2014, Vol.65 (1), p.89-101 |
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| creator | Xu, Miao Yun Zhang, Lan Li, Wei Wei Hu, Xiao Long Wang, Ming-Bo Fan, Yun Liu Zhang, Chun Yi Wang, Lei |
| description | Plants interact with their environment and they often flower earlier under stress conditions, but how such stress-induced flowering is regulated remains poorly understood. Here evidence is presented that the miR169 family plays a key role in stress-induced flowering in plants. The microRNA (miRNA) miR169 family members are up-regulated in Arabidopsis, maize, and soybean under abiotic stresses. Overexpression of miR169d in Arabidopsis results in early flowering, and overexpression of the miR169d target gene, AtNF-YA2, especially a miR169d-resistant version of AtNF-YA2, results in late flowering. The results suggest that the miR169 family regulates stress-induced flowering by repressing the AtNF-YA transcription factor, which in turn reduces the expression of FLOWERING LOCUS C (FLC), allowing for the expression of FLC target genes such as FLOWERING LOCUS T (FT) and LEAFY (LFY) to promote flowering. It was shown that the expression of genes or miRNAs involved in the other flowering pathways, namely the photoperiod (CO), ambient temperature (SVP), ageing (miR156), and gibberelin (SOC1) pathways, was not affected in miR169d-overexpressing plants, suggesting that stress-induced early flowering is a novel signalling pathway mediated by miR169. |
| doi_str_mv | 10.1093/jxb/ert353 |
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Here evidence is presented that the miR169 family plays a key role in stress-induced flowering in plants. The microRNA (miRNA) miR169 family members are up-regulated in Arabidopsis, maize, and soybean under abiotic stresses. Overexpression of miR169d in Arabidopsis results in early flowering, and overexpression of the miR169d target gene, AtNF-YA2, especially a miR169d-resistant version of AtNF-YA2, results in late flowering. The results suggest that the miR169 family regulates stress-induced flowering by repressing the AtNF-YA transcription factor, which in turn reduces the expression of FLOWERING LOCUS C (FLC), allowing for the expression of FLC target genes such as FLOWERING LOCUS T (FT) and LEAFY (LFY) to promote flowering. It was shown that the expression of genes or miRNAs involved in the other flowering pathways, namely the photoperiod (CO), ambient temperature (SVP), ageing (miR156), and gibberelin (SOC1) pathways, was not affected in miR169d-overexpressing plants, suggesting that stress-induced early flowering is a novel signalling pathway mediated by miR169.</description><identifier>ISSN: 0022-0957</identifier><identifier>EISSN: 1460-2431</identifier><identifier>DOI: 10.1093/jxb/ert353</identifier><identifier>PMID: 24336445</identifier><language>eng</language><publisher>UK: Oxford University Press [etc.]</publisher><subject>Arabidopsis - genetics ; Arabidopsis - physiology ; Arabidopsis Proteins - genetics ; Arabidopsis Proteins - metabolism ; Arabidopsis thaliana ; CCAAT-Binding Factor - genetics ; Chromatin Immunoprecipitation ; Cold Temperature ; Corn ; Drought ; Flowering ; Flowers - genetics ; Flowers - physiology ; Gene expression ; Gene expression regulation ; Gene Expression Regulation, Plant ; Genes ; Leaves ; MADS Domain Proteins - genetics ; MADS Domain Proteins - metabolism ; MicroRNA ; MicroRNAs - genetics ; Models, Biological ; Photoperiod ; Plant Leaves - genetics ; Plant Leaves - physiology ; Plants, Genetically Modified ; Promoter Regions, Genetic ; RESEARCH PAPER ; RNA ; RNA, Plant - genetics ; Signal Transduction ; Stress, Physiological ; Time Factors ; transcription factors ; Transcription Factors - genetics ; Transcription Factors - metabolism ; Transgenic plants ; Up-Regulation</subject><ispartof>Journal of experimental botany, 2014, Vol.65 (1), p.89-101</ispartof><rights>Society for Experimental Biology 2014</rights><rights>The Author 2013. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissions@oup.com 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c423t-90b21af677fe41e79433792fa1b8504369e7ade540fbc7a5af07c05fd6e42db93</citedby><cites>FETCH-LOGICAL-c423t-90b21af677fe41e79433792fa1b8504369e7ade540fbc7a5af07c05fd6e42db93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/24043739$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/24043739$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,1584,4024,27923,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24336445$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Xu, Miao Yun</creatorcontrib><creatorcontrib>Zhang, Lan</creatorcontrib><creatorcontrib>Li, Wei Wei</creatorcontrib><creatorcontrib>Hu, Xiao Long</creatorcontrib><creatorcontrib>Wang, Ming-Bo</creatorcontrib><creatorcontrib>Fan, Yun Liu</creatorcontrib><creatorcontrib>Zhang, Chun Yi</creatorcontrib><creatorcontrib>Wang, Lei</creatorcontrib><title>Stress-induced early flowering is mediated by miR169 in Arabidopsis thaliana</title><title>Journal of experimental botany</title><addtitle>EXBOTJ</addtitle><addtitle>J Exp Bot</addtitle><description>Plants interact with their environment and they often flower earlier under stress conditions, but how such stress-induced flowering is regulated remains poorly understood. Here evidence is presented that the miR169 family plays a key role in stress-induced flowering in plants. The microRNA (miRNA) miR169 family members are up-regulated in Arabidopsis, maize, and soybean under abiotic stresses. Overexpression of miR169d in Arabidopsis results in early flowering, and overexpression of the miR169d target gene, AtNF-YA2, especially a miR169d-resistant version of AtNF-YA2, results in late flowering. The results suggest that the miR169 family regulates stress-induced flowering by repressing the AtNF-YA transcription factor, which in turn reduces the expression of FLOWERING LOCUS C (FLC), allowing for the expression of FLC target genes such as FLOWERING LOCUS T (FT) and LEAFY (LFY) to promote flowering. It was shown that the expression of genes or miRNAs involved in the other flowering pathways, namely the photoperiod (CO), ambient temperature (SVP), ageing (miR156), and gibberelin (SOC1) pathways, was not affected in miR169d-overexpressing plants, suggesting that stress-induced early flowering is a novel signalling pathway mediated by miR169.</description><subject>Arabidopsis - genetics</subject><subject>Arabidopsis - physiology</subject><subject>Arabidopsis Proteins - genetics</subject><subject>Arabidopsis Proteins - metabolism</subject><subject>Arabidopsis thaliana</subject><subject>CCAAT-Binding Factor - genetics</subject><subject>Chromatin Immunoprecipitation</subject><subject>Cold Temperature</subject><subject>Corn</subject><subject>Drought</subject><subject>Flowering</subject><subject>Flowers - genetics</subject><subject>Flowers - physiology</subject><subject>Gene expression</subject><subject>Gene expression regulation</subject><subject>Gene Expression Regulation, Plant</subject><subject>Genes</subject><subject>Leaves</subject><subject>MADS Domain Proteins - genetics</subject><subject>MADS Domain Proteins - metabolism</subject><subject>MicroRNA</subject><subject>MicroRNAs - genetics</subject><subject>Models, Biological</subject><subject>Photoperiod</subject><subject>Plant Leaves - genetics</subject><subject>Plant Leaves - physiology</subject><subject>Plants, Genetically Modified</subject><subject>Promoter Regions, Genetic</subject><subject>RESEARCH PAPER</subject><subject>RNA</subject><subject>RNA, Plant - genetics</subject><subject>Signal Transduction</subject><subject>Stress, Physiological</subject><subject>Time Factors</subject><subject>transcription factors</subject><subject>Transcription Factors - genetics</subject><subject>Transcription Factors - metabolism</subject><subject>Transgenic plants</subject><subject>Up-Regulation</subject><issn>0022-0957</issn><issn>1460-2431</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kUtLxDAUhYMozvjYuFe7EUSo3rzNchBfMCA4ug5pm4wZOu2YtOj8ezNUxZWrLM7HIee7CB1huMSg6NXis7iyoaOcbqExZgJywijeRmMAQnJQXI7QXowLAODA-S4apZwKxvgYTWddsDHmvqn60laZNaFeZ65uP2zwzTzzMVvaypsuZcU6W_pnLFTmm2wSTOGrdhUT0b2Z2pvGHKAdZ-poD7_fffR6d_ty85BPn-4fbybTvGSEdrmCgmDjhJTOMmylSr-RijiDi2sOjAplpaksZ-CKUhpuHMgSuKuEZaQqFN1H50PvKrTvvY2dXvpY2ro2jW37qDFTIMk1FTihFwNahjbGYJ1eBb80Ya0x6I09nezpwV6CT757-yKt_kV_dCXgbADafvV_0fHALWLXhj89aZ2kmwGnQ-5Mq808-KhfZwQwTyeSjBH4l8BSJGVfcnmTWg</recordid><startdate>2014</startdate><enddate>2014</enddate><creator>Xu, Miao Yun</creator><creator>Zhang, Lan</creator><creator>Li, Wei Wei</creator><creator>Hu, Xiao Long</creator><creator>Wang, Ming-Bo</creator><creator>Fan, Yun Liu</creator><creator>Zhang, Chun Yi</creator><creator>Wang, Lei</creator><general>Oxford University Press [etc.]</general><general>Oxford University Press</general><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>2014</creationdate><title>Stress-induced early flowering is mediated by miR169 in Arabidopsis thaliana</title><author>Xu, Miao Yun ; Zhang, Lan ; Li, Wei Wei ; Hu, Xiao Long ; Wang, Ming-Bo ; Fan, Yun Liu ; Zhang, Chun Yi ; Wang, Lei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c423t-90b21af677fe41e79433792fa1b8504369e7ade540fbc7a5af07c05fd6e42db93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Arabidopsis - genetics</topic><topic>Arabidopsis - physiology</topic><topic>Arabidopsis Proteins - genetics</topic><topic>Arabidopsis Proteins - metabolism</topic><topic>Arabidopsis thaliana</topic><topic>CCAAT-Binding Factor - genetics</topic><topic>Chromatin Immunoprecipitation</topic><topic>Cold Temperature</topic><topic>Corn</topic><topic>Drought</topic><topic>Flowering</topic><topic>Flowers - genetics</topic><topic>Flowers - physiology</topic><topic>Gene expression</topic><topic>Gene expression regulation</topic><topic>Gene Expression Regulation, Plant</topic><topic>Genes</topic><topic>Leaves</topic><topic>MADS Domain Proteins - genetics</topic><topic>MADS Domain Proteins - metabolism</topic><topic>MicroRNA</topic><topic>MicroRNAs - genetics</topic><topic>Models, Biological</topic><topic>Photoperiod</topic><topic>Plant Leaves - genetics</topic><topic>Plant Leaves - physiology</topic><topic>Plants, Genetically Modified</topic><topic>Promoter Regions, Genetic</topic><topic>RESEARCH PAPER</topic><topic>RNA</topic><topic>RNA, Plant - genetics</topic><topic>Signal Transduction</topic><topic>Stress, Physiological</topic><topic>Time Factors</topic><topic>transcription factors</topic><topic>Transcription Factors - genetics</topic><topic>Transcription Factors - metabolism</topic><topic>Transgenic plants</topic><topic>Up-Regulation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Miao Yun</creatorcontrib><creatorcontrib>Zhang, Lan</creatorcontrib><creatorcontrib>Li, Wei Wei</creatorcontrib><creatorcontrib>Hu, Xiao Long</creatorcontrib><creatorcontrib>Wang, Ming-Bo</creatorcontrib><creatorcontrib>Fan, Yun Liu</creatorcontrib><creatorcontrib>Zhang, Chun Yi</creatorcontrib><creatorcontrib>Wang, Lei</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of experimental botany</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, Miao Yun</au><au>Zhang, Lan</au><au>Li, Wei Wei</au><au>Hu, Xiao Long</au><au>Wang, Ming-Bo</au><au>Fan, Yun Liu</au><au>Zhang, Chun Yi</au><au>Wang, Lei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stress-induced early flowering is mediated by miR169 in Arabidopsis thaliana</atitle><jtitle>Journal of experimental botany</jtitle><stitle>EXBOTJ</stitle><addtitle>J Exp Bot</addtitle><date>2014</date><risdate>2014</risdate><volume>65</volume><issue>1</issue><spage>89</spage><epage>101</epage><pages>89-101</pages><issn>0022-0957</issn><eissn>1460-2431</eissn><abstract>Plants interact with their environment and they often flower earlier under stress conditions, but how such stress-induced flowering is regulated remains poorly understood. Here evidence is presented that the miR169 family plays a key role in stress-induced flowering in plants. The microRNA (miRNA) miR169 family members are up-regulated in Arabidopsis, maize, and soybean under abiotic stresses. Overexpression of miR169d in Arabidopsis results in early flowering, and overexpression of the miR169d target gene, AtNF-YA2, especially a miR169d-resistant version of AtNF-YA2, results in late flowering. The results suggest that the miR169 family regulates stress-induced flowering by repressing the AtNF-YA transcription factor, which in turn reduces the expression of FLOWERING LOCUS C (FLC), allowing for the expression of FLC target genes such as FLOWERING LOCUS T (FT) and LEAFY (LFY) to promote flowering. It was shown that the expression of genes or miRNAs involved in the other flowering pathways, namely the photoperiod (CO), ambient temperature (SVP), ageing (miR156), and gibberelin (SOC1) pathways, was not affected in miR169d-overexpressing plants, suggesting that stress-induced early flowering is a novel signalling pathway mediated by miR169.</abstract><cop>UK</cop><pub>Oxford University Press [etc.]</pub><pmid>24336445</pmid><doi>10.1093/jxb/ert353</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Arabidopsis - genetics Arabidopsis - physiology Arabidopsis Proteins - genetics Arabidopsis Proteins - metabolism Arabidopsis thaliana CCAAT-Binding Factor - genetics Chromatin Immunoprecipitation Cold Temperature Corn Drought Flowering Flowers - genetics Flowers - physiology Gene expression Gene expression regulation Gene Expression Regulation, Plant Genes Leaves MADS Domain Proteins - genetics MADS Domain Proteins - metabolism MicroRNA MicroRNAs - genetics Models, Biological Photoperiod Plant Leaves - genetics Plant Leaves - physiology Plants, Genetically Modified Promoter Regions, Genetic RESEARCH PAPER RNA RNA, Plant - genetics Signal Transduction Stress, Physiological Time Factors transcription factors Transcription Factors - genetics Transcription Factors - metabolism Transgenic plants Up-Regulation |
| title | Stress-induced early flowering is mediated by miR169 in Arabidopsis thaliana |
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